403223399 has 4 divisors (see below), whose sum is σ = 403388664. Its totient is φ = 403058136.

The previous prime is 403223389. The next prime is 403223407. The reversal of 403223399 is 993322304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403223399 - 2¹⁶ = 403157863 is a prime.

It is a super-2 number, since 2×403223399² = 325178219002226402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403223309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78917 + ... + 83870.

It is an arithmetic number, because the mean of its divisors is an integer number (100847166).

Almost surely, 2^403223399 is an apocalyptic number.

403223399 is a deficient number, since it is larger than the sum of its proper divisors (165265).

403223399 is a wasteful number, since it uses less digits than its factorization.

403223399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165264.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 403223399 is about 20080.4232774113. The cubic root of 403223399 is about 738.7801908942.

The spelling of 403223399 in words is "four hundred three million, two hundred twenty-three thousand, three hundred ninety-nine".